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    <center>Scilab Function</center>
    <div align="right">Last update : April 1999</div>
    <p>
      <b>isglobal</b> -   check if a variable is global</p>
    <h3>
      <font color="blue">Calling Sequence</font>
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    <dl>
      <dd>
        <tt>t=isglobal(x)  </tt>
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    <h3>
      <font color="blue">Parameters</font>
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    <ul>
      <li>
        <tt>
          <b>x</b>
        </tt>: any variable</li>
      <li>
        <tt>
          <b>t</b>
        </tt>: a boolean</li>
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    <h3>
      <font color="blue">Description</font>
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    <p>
      <tt>
        <b>isglobal(x)</b>
      </tt> returns true if x has been declared to be a global
        variable and false otherwise.</p>
    <h3>
      <font color="blue">Examples</font>
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    <pre>

isglobal(1)
global a
isglobal(a)
 
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    <h3>
      <font color="blue">See Also</font>
    </h3>
    <p>
      <a href="global.htm">
        <tt>
          <b>global</b>
        </tt>
      </a>,&nbsp;&nbsp;<a href="clearglobal.htm">
        <tt>
          <b>clearglobal</b>
        </tt>
      </a>,&nbsp;&nbsp;<a href="who.htm">
        <tt>
          <b>who</b>
        </tt>
      </a>,&nbsp;&nbsp;</p>
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